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Simsek I, Pay S, Pekel A, Dinc A, Musabak U, Erdem H, Sengul A.Simsek I, et al. Among authors: pay s.Rheumatol Int. 2007 Jul;27(9):807-11. doi: 10.1007/s00296-006-0301-6. Epub 2007 Jan 17.Rheumatol Int. 2007.PMID: 17225924
Pay S, Erdem H, Pekel A, Simsek I, Musabak U, Sengul A, Dinc A.Pay S, et al.Rheumatol Int. 2006 May;26(7):608-13. doi: 10.1007/s00296-005-0040-0. Epub 2005 Oct 5.Rheumatol Int. 2006.PMID: 16205926
Erdem H, Simşek I, Pay S, Dinc A, Deniz O, Ozcan A.Erdem H, et al. Among authors: pay s.J Clin Rheumatol. 2006 Feb;12(1):34-6. doi: 10.1097/01.rhu.0000200424.58122.38.J Clin Rheumatol. 2006.PMID: 16484879
Erdem H, Pay S, Musabak U, Simsek I, Dinc A, Pekel A, Sengul A.Erdem H, et al. Among authors: pay s.Rheumatol Int. 2007 Aug;27(10):969-73. doi: 10.1007/s00296-007-0317-6. Epub 2007 Jan 31.Rheumatol Int. 2007.PMID: 17265155
Cinar M, Dinc A, Simsek I, Erdem H, Koc B, Pay S, Tunca Y, Kilic S, Gul D.Cinar M, et al. Among authors: pay s.Rheumatol Int. 2008 Nov;29(1):37-42. doi: 10.1007/s00296-008-0637-1. Epub 2008 Jul 3.Rheumatol Int. 2008.PMID: 18597091
Sari I, Simsek I, Guvenc I, Sanal HT, Erdem H, Pay S, Dinc A.Sari I, et al. Among authors: pay s.Rheumatol Int. 2009 Jan;29(3):321-3. doi: 10.1007/s00296-008-0660-2. Epub 2008 Aug 12.Rheumatol Int. 2009.PMID: 18696073
Cinar M, Dinc A, Simsek I, Erdem H, Koc B, Pay S, Kilic S.Cinar M, et al. Among authors: pay s.Rheumatol Int. 2010 Jan;30(3):331-40. doi: 10.1007/s00296-009-0963-y. Epub 2009 May 23.Rheumatol Int. 2010.PMID: 19466421Clinical Trial.
Simsek I, Koz C, Basar N, Sari I, Erdem H, Pay S, Kisacik B, Bahce M, Dinc A.Simsek I, et al. Among authors: pay s.Clin Rheumatol. 2011 Apr;30(4):491-5. doi: 10.1007/s10067-010-1537-9. Epub 2010 Jul 20.Clin Rheumatol. 2011.PMID: 20645115
Gok M, Erdem H, Gogus F, Yilmaz S, Karadag O, Simsek I, Sagkan RI, Saglam M, Musabak U, Dinc A, Pay S.Gok M, et al. Among authors: pay s.Rheumatol Int. 2013 Apr;33(4):879-85. doi: 10.1007/s00296-012-2452-y. Epub 2012 Jul 19.Rheumatol Int. 2013.PMID: 22811011